Text Diff Checker Online
Compare two texts online and see the differences highlighted line by line. Find added, removed, and unchanged lines instantly.
How to compare two texts
- Paste the original text in the left input area.
- Paste the modified text in the right input area.
- Click Compare to see differences highlighted.
- Green lines are additions, red lines are deletions.
- Use Swap to switch original and modified text.
Common use cases
- Compare code versions — spot changes between two versions of source code.
- Check document edits — see what changed in a revised document.
- Config file differences — find what changed in server or app configuration.
- API response comparison — compare JSON/XML responses from different environments.
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